Answer:-(9 - 4i) =
Step-by-step explanation:
Given the complex number 9 - 4i, the additive inverse is the number that when added to the original number, would equate to zero. Another term this may be known as is the additive identity. The additive inverse is simply:
(a + bi) = -(a + bi)
Given: 9 - 4i
-(9 - 4i) = -9 + 4i
Answer: B
Step-by-step explanation:
I just got it right on A P E X
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Answer:
Answer: x<7.1
Step-by-step explanation:

Answer:
1.860 to 4sf
Step-by-step explanation:
Answer:
Electricity bill is 175
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Step-by-step explanation:
Given


monthly

Required
Determine the electricity bill
If each roommate pays 425, then 5 roommates pay 5 * 425


This implies that: the monthly cost of room, gas and electricity add up to 2125.
In other words,





<em>Hence, the electricity bill is 175</em>